6ES5 700-OLA11 6ES5 700-3LA12 6ES5 701-1LA12 6ES5 816-1AA11 6ES5 816-1BB21 6ES5 941-7UA13 6ES5 941-7UA12 6ES5 941-7UA13 6ES5 941-7UB11 five, maintenance processes and technical requirements (1) to measure voltage 6FX1 , use a digital voltmeter or accuracy of 1% of the multimeter measurement (2) power supply chassis, CPU motherboards are only removed when the main power is turned off; before the CPU (3) to remove or insert the RAM module from the CPU, To disconnect the PC's power supply, so as to ensure that data is not chaos; (4) Before removing the RAM module, check the battery module is working properly, if the battery is faulty lights removed PAM module content will be lost; (5) Input / Remove the front panel output should first turn off the main power supply, but if production requires I / 0 boards can also be removed in the programmable controller is running, but QVZ (timeout) CPU board lights; (6) pluggable template when to be cautious 6FX1132-8BB01, gently, and shipped from static objects; (7) the replacement of components not live action; (8) Maintenance template installation must be planted in place of four Siemens S7-300 Installation Notes ) outputs are relay type, transistor type (high-speed output should be selected), the output can be directly with a light load (LED lights, etc.); Siemens S7-300 Installation Precautions five) Input / off time is greater than the PLC scan time; Siemens S7-300 Installation Precautions six) PLC output circuit is not protected, it should be used in tandem fuses and other protective devices in the external circuit, short circuit to prevent damage to the load PLC; Siemens S7-300 Installation Precautions seven) Keep the AC power cord receiving input terminal, so as not to burn PLC; Siemens S7-300 Installation Precautions eight) should be independent of the ground terminal to ground 6FX1128-1BA00, not in series with other equipment ground, ground wire cut surface is not less than 2mm2; Siemens S7-300 mounting Note IX) input and output signal lines as separate traces 6FX1121-4BA02, not with the power lines in the same conduit or tied together, in order to avoid interference signal malfunction; signal transmission lines using shielded cable, and the shield grounding; to ensure reliable signal, the input and output lines are generally controlled within 20 meters; extension cables susceptible to noise interference, should stay away from power lines, high voltage equipment. 6FX1121-4BA02_6FX1_ Shenyang on the people by the people on the Shenyang Electric Company. Shenyang Electric Co. on people (www.zsmsy.com) strong, credible, in other industries, such as Shenyang, Liaoning province has accumulated a large number of loyal customers. The company better work attitude and constantly improving people and innovative ideas will lead you to walk hand in hand on the Shenyang brilliant, for a better future!